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March 01, 2011

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January 03, 2011

I am an unabashed supporter of smart meters. While testifying about energy efficiency at the European parliament, I logged into my home’s smart meter (in California) and showed them my current energy use. ... [continue reading]

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November 03, 2010

A chain is only as strong as its weakest link and nowhere is this adage truer than with the assurance of a manufacturer’s compliance with energy efficiency standards and endorsement programs. If any ... [continue reading]

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September 01, 2010

As we make homes tighter, we need to provide ventilation, which costs energy. One way to reduce the energy impact of that ventilation is to use an air-to-air heat recovery system. A heat recovery ventilator (... [continue reading]

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July 01, 2010

Can growing marijuana change the way homes use electricity? In rural Humboldt County, in far-northern California, there’s no doubt that it can. Figure 1 tracks average monthly residential electricity use in Humboldt County and ... [continue reading]